Home / 3,651.44-5,036.63-2,159.25

Finding the Fourth Proportional to 3,651.44, 5,036.63 and 2,159.25

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Solution

The fourth proportional to 3,651.44, 5,036.63 and 2,159.25 is: 2,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.44 : 5,036.63 = 2,159.25 : x
  2. Step 2: Convert to fraction form
    3,651.44/5,036.63 = 2,159.25/x
  3. Step 3: Cross multiply
    3,651.44x = 5,036.63 × 2,159.25
  4. Step 4: Simplify right side
    3,651.44x = 10,875,332.53
  5. Step 5: Solve for x
    x = 10,875,332.53/3,651.44
  6. Step 6: Final answer
    x = 2,978.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.